A man prepares a P-40 Kittyhawk at the 2015 Culdrose Air Day at RNAS Culdrose near Helston in Cornwall. Air Day is an annual open day that allows the general public access to the working military Royal Naval Air Station which is home to a variety of military aircraft including the Melin helicopter and Hawk Jets, but also the Search and Rescue Sea Kings helicopters operated by 771 Squadron